Home / 186,920.33-257,946.75-106,346.14

Finding the Fourth Proportional to 186,920.33, 257,946.75 and 106,346.14

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Solution

The fourth proportional to 186,920.33, 257,946.75 and 106,346.14 is: 146,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,920.33 : 257,946.75 = 106,346.14 : x
  2. Step 2: Convert to fraction form
    186,920.33/257,946.75 = 106,346.14/x
  3. Step 3: Cross multiply
    186,920.33x = 257,946.75 × 106,346.14
  4. Step 4: Simplify right side
    186,920.33x = 27,431,641,567.75
  5. Step 5: Solve for x
    x = 27,431,641,567.75/186,920.33
  6. Step 6: Final answer
    x = 146,755.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.